<script setup lang="ts">
import { useSidebarStore } from '@/store/slidebar';
import { onMounted } from 'vue';
import { useRouter } from 'vue-router';
import imgurl from '../assets/img/11111.jpg';

const slidebar = useSidebarStore();
const router = useRouter();
const message: number = 2;
const username: string | null = localStorage.getItem('vuems_name');
const collapseChange = () => {
  slidebar.handleCollapse();
};
const handleCommend = (command: string) => {
  if (command === 'loginout') {
    localStorage.removeItem('vuems_name');
    router.push('/login');
    return;
  }
  router.push('ucenter');
};
onMounted(() => {
  if (document.body.clientWidth < 1500) {
    collapseChange();
  }
});
const setFullScreen = () => {
  if (document.fullscreenElement) {
    document.exitFullscreen();
    return;
  }
  document.body.requestFullscreen.call(document.body);
};
const collapseChage = () => {
  slidebar.handleCollapse();
};
</script>

<template>
  <div class="header">
    <!-- 折叠按钮 -->
    <div class="header-left">
      <img src="../assets/img/logo.svg" alt="" class="logo" @click="collapseChange" />
      <div class="web-title">后台管理系统</div>
      <div class="collapse-btn" @click="collapseChage">
        <el-icon v-if="slidebar.collapse"><expand /></el-icon>
        <el-icon v-else><fold /></el-icon>
      </div>
    </div>
    <div class="header-right">
      <div class="header-user-con">
        <div class="btn-icon" @click="router.push('/theme')">
          <el-tooltip effect="dark" content="设置主题" placement="bottom">
            <el-icon><setting /></el-icon>
          </el-tooltip>
        </div>
        <div class="btn-icon" @click="router.push('/ucenter')">
          <el-tooltip
            effect="dark"
            :content="message ? `有${message}条未读消息` : `消息中心`"
            placement="bottom"
          >
            <el-icon><bell /></el-icon>
          </el-tooltip>
          <span class="btn-bell-badge" v-if="message"></span>
        </div>
        <div class="btn-icon" @click="setFullScreen">
          <el-tooltip effect="dark" content="全屏" placement="bottom">
            <el-icon><full-screen /></el-icon>
          </el-tooltip>
        </div>
        <!-- 用户头像 -->
        <el-avatar class="user-avator" :size="30" :src="imgurl"></el-avatar>
        <!-- 用户名下拉菜单 -->
        <el-dropdown class="user-name" trigger="click" @command="handleCommend">
          <span class="el-dropdown-link">
            {{ username }}
            <el-icon class="el-icon--right">
              <arrow-down />
            </el-icon>
          </span>
          <template #dropdown>
            <el-dropdown-menu>
              <el-dropdown-item command="user">个人中心</el-dropdown-item>
              <el-dropdown-item command="loginout">退出登录</el-dropdown-item>
            </el-dropdown-menu>
          </template>
        </el-dropdown>
      </div>
    </div>
  </div>
</template>

<style scoped>
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
  width: 100%;
  height: 70px;
  color: var(--header-text-color);
  background-color: var(--header-bg-color);
  border-bottom: 1px solid #ddd;
}
.header-left {
  display: flex;
  align-items: center;
  padding-left: 20px;
  height: 100%;
}
.logo {
  width: 35px;
}
.web-title {
  margin: 0 40px 0 10px;
  font-size: 22px;
}
.collapse-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  padding: 0 10px;
  cursor: pointer;
  opacity: 0.8;
  font-size: 22px;
}
.collapse-btn:hover {
  opacity: 1;
}
.header-right {
  float: right;
  padding-right: 50px;
}
.header-user-con {
  display: flex;
  height: 70px;
  align-items: center;
}
.btn-fullscreen {
  transform: rotate(45deg);
  margin-right: 5px;
  font-size: 24px;
}
.btn-icon {
  position: relative;
  width: 30px;
  height: 30px;
  text-align: center;
  cursor: pointer;
  display: flex;
  align-items: center;
  color: var(--header-text-color);
  margin: 0 5px;
  font-size: 20px;
}
.btn-bell-badge {
  position: absolute;
  right: 4px;
  top: 0px;
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: #f56c6c;
  color: var(--header-text-color);
}
.user-avator {
  margin: 0 10px 0 20px;
}
.el-dropdown-link {
  color: var(--header-text-color);
  cursor: pointer;
  display: flex;
  align-items: center;
}

.el-dropdown-menu__item {
  text-align: center;
}
</style>
